South Dakota · Custer County
Past Producer
Lucky Twist Mine
Custer County, South Dakota, United States
Feldspar
Beryllium
Mica
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USGS source ↗
Commodities
Primary
Feldspar
Tertiary
Beryllium, Mica
Commodity type
B
Economic & production
Development status
Past Producer
Identification
Deposit ID
10129057
Alternate names
Sutherland Mine
Region
NA
Data score
D
Coordinates
43.66996, -103.59306
References
U S B M STAFF,1955,REG V,I C 7707 PP 193-194